From 9c335b0ff22ca11096b625b945404a356dc3775b Mon Sep 17 00:00:00 2001
From: Gatsby Van <mail.gatsby.icu>
Date: Sun, 21 Jan 2024 17:15:51 +0800
Subject: [PATCH] simplified function signature.

---
 datalink814_ge/src/linklayer/linklayer814.c   |  84 +++++----
 datalink814_ge/src/linklayer/linklayer814.h   |  38 ++--
 .../src/linklayer/linklayer814_types.h        |  23 ++-
 datalink814_ge/src/linklayer/net_mgmt.c       |  18 +-
 datalink814_ge/src/linklayer/net_scan.c       |  32 ++--
 datalink814_ge/src/linklayer/net_service.c    |  12 +-
 .../unit_test/linklayer_emulate_unit_test.c   | 177 +++++++++++++++---
 7 files changed, 258 insertions(+), 126 deletions(-)

diff --git a/datalink814_ge/src/linklayer/linklayer814.c b/datalink814_ge/src/linklayer/linklayer814.c
index 7d5b81d..f4c5693 100644
--- a/datalink814_ge/src/linklayer/linklayer814.c
+++ b/datalink814_ge/src/linklayer/linklayer814.c
@@ -20,20 +20,20 @@
 #include <string.h>
 #include "linklayer814.h"
 #include "linklayer814_types.h"
+#include "node_list.h"
 #include "msg_def.h"
 #include "../error.h"
-#include "../time_ctrl/time_ctrl.h"
-#include "../util/util.h"
 #include "../common.h"
+#include "../util/util.h"
+#include "../time_ctrl/time_ctrl.h"
 
 /************************** Constant Definitions *****************************/
 #define NET_START_TIME_INFTY UINT32_MAX
 /************************** Variable Definitions *****************************/
 /***************** Macros (Inline Functions) Definitions *********************/
-
 /**************************** Type Definitions *******************************/
-
 /************************** Function Prototypes ******************************/
+static void L2_RcdShift(L2_RCD *rcd, int32_t netxVal);
 static void UpdateMainSate(L2_INST *instPtr, L2_NODE_STATE newSate);
 static void L2_SetSlotNum(L2_INST *instPtr, uint32_t newSlotNum);
 static void L2_SetFrameNum(L2_INST *instPtr, uint32_t newFrameNum);
@@ -312,7 +312,7 @@ static L2_FRAME_TYPE L2_GetReceiveFrameType(L2_INST *instPtr)
 		return instPtr->frame.curr;
 	}
 
-	switch (instPtr->scanNetFSM->scanStage)
+	switch (instPtr->scanFSM->scanStage)
 	{
 	case L2_SCAN_INIT_STAGE:
 	case L2_SCAN_BMADVT_STAGE:
@@ -350,6 +350,7 @@ void L2_FrameStateUpdate(L2_INST *instPtr)
 	Phy_RetrieveRecvData(phyRef, instPtr->recvPktData);
 	instPtr->log.frameRecv++;
 
+	// Update frame state.
 	switch (L2_GetReceiveFrameType(instPtr))
 	{
 	case L2_INTRA_SCAN_FRAME:
@@ -606,7 +607,7 @@ uint32_t L2_GetFrameLen(L2_FRAME_TYPE l2FrameType)
 /**
  * @brief   Convert L2 frame type to L1 frame type
  *
- * @param   phyInstPtr  A pointer to physical layer control instance.
+ * @param   l2Frame
  *
  * @return  L1 frame type.
  *
@@ -818,24 +819,24 @@ int32_t Linklayer_Init(L2_INST **instPtr, const L2_CONFIG *config)
 		goto error;
 	}
 
-	Status = ScanNet_Init(&((*instPtr)->scanNetFSM));
+	Status = L2_Scan_Init(&((*instPtr)->scanFSM));
 	if (Status != SUCCESS)
 	{
-		DBG_ERROR("ScanNet_Init runs failed, with error code: %d.\n", Status);
+		DBG_ERROR("L2_Scan_Init runs failed, with error code: %d.\n", Status);
 		goto error;
 	}
 
-	Status = MgmtNet_Init(&((*instPtr)->mgmtNetFSM));
+	Status = L2_Mgmt_Init(&((*instPtr)->mgmtFSM));
 	if (Status != SUCCESS)
 	{
-		DBG_ERROR("MgmtNet_Init runs failed, with error code: %d.\n", Status);
+		DBG_ERROR("L2_Mgmt_Init runs failed, with error code: %d.\n", Status);
 		goto error;
 	}
 
-	Status = ServiceNet_Init(&((*instPtr)->serviceNetFSM));
+	Status = L2_Service_Init(&((*instPtr)->serviceFSM));
 	if (Status != SUCCESS)
 	{
-		DBG_ERROR("ServiceNet_Init runs failed, with error code: %d.\n", Status);
+		DBG_ERROR("L2_Service_Init runs failed, with error code: %d.\n", Status);
 		goto error;
 	}
 
@@ -923,9 +924,9 @@ int32_t Linklayer_Reconfig(L2_INST *instPtr, const L2_CONFIG *config)
 	// Reset according instance
 	L2_ClearSchedEventPool(instPtr->schdEventPool);
 	L2_NodeList_Clear(instPtr->nodeList);
-	ScanNet_Reset(instPtr->scanNetFSM);
-	MgmtNet_Reset(instPtr->mgmtNetFSM);
-	ServiceNet_Reset(instPtr->serviceNetFSM);
+	L2_Scan_Reset(instPtr->scanFSM);
+	L2_Mgmt_Reset(instPtr->mgmtFSM);
+	L2_Service_Reset(instPtr->serviceFSM);
 	RTT_Reset(instPtr->rttFSM);
 	return SUCCESS;
 }
@@ -951,9 +952,9 @@ void Linklayer_Destroy(L2_INST *instPtr)
 	// Destroy FSMs and nodeList
 	L2_DestroySchedEventPool(instPtr->schdEventPool);
 	L2_NodeList_Destroy(instPtr->nodeList);
-	ScanNet_Destroy(instPtr->scanNetFSM);
-	MgmtNet_Destroy(instPtr->mgmtNetFSM);
-	ServiceNet_Destroy(instPtr->serviceNetFSM);
+	L2_Scan_Destroy(instPtr->scanFSM);
+	L2_Mgmt_Destroy(instPtr->mgmtFSM);
+	L2_Service_Destroy(instPtr->serviceFSM);
 	RTT_Destroy(instPtr->rttFSM);
 	free(instPtr);
 }
@@ -1030,11 +1031,6 @@ int32_t Linklayer_EventHandler(L2_INST *instPtr, const L2_EVENT *l2Event)
 		// TODO: Clear ACK
 		break;
 	}
-	case L2_EV_MGMT_PROC_DONE:
-	{
-		DBG_INFO("Event L2_EV_MGMT_PROC_DONE asserted....\n");
-		break;
-	}
 	case L2_EV_NET_SETUP_DONE:
 	{
 		DBG_INFO("Event L2_EV_NETSETUP_DONE asserted....\n");
@@ -1066,8 +1062,16 @@ int32_t Linklayer_EventHandler(L2_INST *instPtr, const L2_EVENT *l2Event)
 	case L2_EV_LOST_CXN:
 	{
 		DBG_INFO("Event L2_EV_LOST_CXN asserted....\n");
+		if (instPtr->config.myType == L2_NODE_HEAD)
+		{
+			DBG_ERROR("Illegal event, only None_Head node can assert L2_EV_LOST_CXN.\n");
+			break;
+		}
 		DBG_WARNING("Lost connection with head node [%d].\n", L2_GetHeadId(instPtr));
+		L2_Scan_Reset(instPtr);
+		L2_Service_Reset(instPtr);
 		instPtr->cxn2Net = false;
+		UpdateMainSate(instPtr, L2_INIT_STATE);
 		break;
 	}
 	case L2_EV_LOST_NODE:
@@ -1081,8 +1085,8 @@ int32_t Linklayer_EventHandler(L2_INST *instPtr, const L2_EVENT *l2Event)
 		if (instPtr->nextState == L2_INIT_STATE)
 		{
 			// Reset scan net FMS for next scan process.
-			ScanNet_Reset(instPtr->scanNetFSM);
-			UpdateMainSate(instPtr, L2_NORMAL_STATE);
+			L2_Scan_Reset(instPtr->scanFSM);
+			UpdateMainSate(instPtr, L2_INIT_STATE);
 			instPtr->rtneConfig.rtneTable = normalTable;
 			instPtr->rtneConfig.rtnePrd = ARRAY_SIZE(normalTable);
 		}
@@ -1106,6 +1110,10 @@ int32_t Linklayer_EventHandler(L2_INST *instPtr, const L2_EVENT *l2Event)
 			instPtr->rtneConfig.rtneTable = interSeekTable;
 			instPtr->rtneConfig.rtnePrd = ARRAY_SIZE(interSeekTable);
 		}
+		else
+		{
+			DBG_WARNING("Unsupported routine state [%d], Continue withe previous routine table.\n", instPtr->nextState);
+		}
 		break;
 	}
 	case L2_ROUTINE_UPDATE:
@@ -1135,12 +1143,10 @@ int32_t Linklayer_EventHandler(L2_INST *instPtr, const L2_EVENT *l2Event)
  * @return  Status code.
  *
  ******************************************************************************/
-int mgmtFrameRecv = 0;
-int svcFrameRecv = 0;
 int32_t Linklayer_PktHandler(L2_INST *instPtr, L2_FRAME_TYPE frameType)
 {
 	ASSERT(instPtr != NULL);
-	int32_t Status = SUCCESS;
+	int32_t Status;
 
 	if (instPtr->dataAvail == false)
 	{
@@ -1155,7 +1161,7 @@ int32_t Linklayer_PktHandler(L2_INST *instPtr, L2_FRAME_TYPE frameType)
 	case L2_INTRA_BM_FRAME:
 	case L2_INTER_W2_ACQ_FRAME:
 	case L2_INTRA_W2_ACQ_FRAME:
-		Status = ScanNet_PktHandler(instPtr);
+		Status = L2_Scan_PktHandler(instPtr);
 		break;
 	case L2_INTER_MGMT_FRAME:
 	case L2_INTRA_MGMT_FRAME:
@@ -1176,8 +1182,7 @@ int32_t Linklayer_PktHandler(L2_INST *instPtr, L2_FRAME_TYPE frameType)
 				instPtr->mgmtMsgRecvCnt1++;
 			}
 		}
-		mgmtFrameRecv++;
-		Status = MgmtNet_PktHandler(instPtr);
+		Status = L2_Mgmt_PktHandler(instPtr);
 		break;
 	case L2_INTER_SVC_FRAME:
 	case L2_INTRA_SVC_FRAME:
@@ -1196,8 +1201,7 @@ int32_t Linklayer_PktHandler(L2_INST *instPtr, L2_FRAME_TYPE frameType)
 				instPtr->svcMsgRecvCnt1++;
 			}
 		}
-		svcFrameRecv++;
-		Status = ServiceNet_PktHandler(instPtr);
+		Status = L2_Service_PktHandler(instPtr);
 		break;
 	default:
 		DBG_WARNING("L2FrameHandler: UNKNOWN L2-FrameType %d\n", frameType);
@@ -1257,17 +1261,17 @@ static int32_t Linklayer_Routine(L2_INST *instPtr)
 	case L2_SLOT_INTRA_SCAN_BM:
 	case L2_SLOT_INTER_SCAN_2W:
 	case L2_SLOT_INTRA_SCAN_2W:
-		Status = ScanNet_Routine(instPtr, &rtneEntry);
+		Status = L2_Scan_Routine(instPtr, &rtneEntry);
 		break;
 	case L2_SLOT_INTER_SVC:
 	case L2_SLOT_INTRA_SVC:
-		Status = ServiceNet_Routine(instPtr, &rtneEntry);
+		Status = L2_Service_Routine(instPtr, &rtneEntry);
 		break;
 	case L2_SLOT_INTER_MGMT:
 	case L2_SLOT_INTRA_MGMT:
 	case L2_SLOT_INTER_TSYNC:
 	case L2_SLOT_INTRA_TSYNC:
-		Status = MgmtNet_Routine(instPtr, &rtneEntry);
+		Status = L2_Mgmt_Routine(instPtr, &rtneEntry);
 		break;
 	default:
 		DBG_ERROR("UNKNOWN slot type [%d].\n", rtneEntry.slotType);
@@ -1325,7 +1329,10 @@ int32_t Linklayer_Proc(L2_INST *instPtr)
 	// Handle frame received in last slot.
 	if (L2_isDataAvail(instPtr) == true)
 	{
-		Linklayer_PktHandler(instPtr, L2_GetLastFrameType(instPtr));
+		if (Linklayer_PktHandler(instPtr, L2_GetLastFrameType(instPtr)) != SUCCESS)
+		{
+			DBG_ERROR("Failed to handle last received frame: %ld.\n", instPtr->frame.last);
+		}
 	}
 
 	// Run Link layer routine, setup next slot procedure.
@@ -1344,9 +1351,10 @@ int32_t Linklayer_Proc(L2_INST *instPtr)
 		else
 		{
 			Phy_SetMode(instPtr->config.phyInstPtr, PHY_MODE_LISTEN);
-			Status = ScanNet_Proc(instPtr);
+			Status = L2_Scan_Proc(instPtr);
 		}
 	}
+	
 	// Check if previous runs has error occurred.
 	if (Status != SUCCESS)
 	{
diff --git a/datalink814_ge/src/linklayer/linklayer814.h b/datalink814_ge/src/linklayer/linklayer814.h
index 57fbea1..bf7b5d7 100644
--- a/datalink814_ge/src/linklayer/linklayer814.h
+++ b/datalink814_ge/src/linklayer/linklayer814.h
@@ -106,9 +106,9 @@ typedef struct
 	L2_NODE_STATE mainState;   // the main state of link layer state
 	L2_NODE_STATE nextState;   // next state of link layer state, which will be applied to mainState every second.
 	L2_RTNE_CONFIG rtneConfig; // current routine table configuration and status.
-	L2_SCAN_FSM *scanNetFSM;   // FSM of scan net (link set up)
-	L2_MGMT_FSM *mgmtNetFSM;   // FSM of management net (link management and time sync)
-	L2_SVC_FSM *serviceNetFSM; // FSM of service net (data service)
+	L2_SCAN_FSM *scanFSM;   // FSM of scan net (link set up)
+	L2_MGMT_FSM *mgmtFSM;   // FSM of management net (link management and time sync)
+	L2_SVC_FSM *serviceFSM; // FSM of service net (data service)
 	L2_RTT_FSM *rttFSM;		   // FSM for RTT (time sync algorithm)
 	uint8_t *sendPktData;
 	uint8_t *recvPktData;
@@ -160,26 +160,26 @@ int32_t L2_CrcAppend(uint8_t *dataBuff, uint32_t dataLen, uint32_t crcPos, L2_CR
 bool L2_CrcCheck(uint8_t *dataBuff, uint32_t dataLen, uint32_t crcPos, L2_CRC_TYPE crcType);
 
 // Scan Net
-int32_t ScanNet_Init(L2_SCAN_FSM **scanFSMPtr);
-void ScanNet_Reset(L2_SCAN_FSM *scanFSMPtr);
-void ScanNet_Destroy(L2_SCAN_FSM *scanFSMPtr);
-int32_t ScanNet_Proc(L2_INST *instPtr);
-int32_t ScanNet_PktHandler(L2_INST *instPtr);
-int32_t ScanNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry);
+int32_t L2_Scan_Init(L2_SCAN_FSM **scanFSMPtr);
+void L2_Scan_Reset(L2_SCAN_FSM *scanFSMPtr);
+void L2_Scan_Destroy(L2_SCAN_FSM *scanFSMPtr);
+int32_t L2_Scan_Proc(L2_INST *instPtr);
+int32_t L2_Scan_PktHandler(L2_INST *instPtr);
+int32_t L2_Scan_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry);
 
 // Management Net
-int32_t MgmtNet_Init(L2_MGMT_FSM **mgmtFSM);
-void MgmtNet_Reset(L2_MGMT_FSM *mgmtFSM);
-void MgmtNet_Destroy(L2_MGMT_FSM *mgmtFSM);
-int32_t MgmtNet_PktHandler(L2_INST *instPtr);
-int32_t MgmtNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry);
+int32_t L2_Mgmt_Init(L2_MGMT_FSM **mgmtFSM);
+void L2_Mgmt_Reset(L2_MGMT_FSM *mgmtFSM);
+void L2_Mgmt_Destroy(L2_MGMT_FSM *mgmtFSM);
+int32_t L2_Mgmt_PktHandler(L2_INST *instPtr);
+int32_t L2_Mgmt_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry);
 
 // Service net
-int32_t ServiceNet_Init(L2_SVC_FSM **serviceFSM);
-void ServiceNet_Reset(L2_SVC_FSM *serviceFSM);
-void ServiceNet_Destroy(L2_SVC_FSM *serviceFSM);
-int32_t ServiceNet_PktHandler(L2_INST *instPtr);
-int32_t ServiceNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *schedEntry);
+int32_t L2_Service_Init(L2_SVC_FSM **serviceFSM);
+void L2_Service_Reset(L2_SVC_FSM *serviceFSM);
+void L2_Service_Destroy(L2_SVC_FSM *serviceFSM);
+int32_t L2_Service_PktHandler(L2_INST *instPtr);
+int32_t L2_Service_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *schedEntry);
 
 // Miscellaneous
 uint8_t L2_GetNodeId(L2_INST *instPtr);
diff --git a/datalink814_ge/src/linklayer/linklayer814_types.h b/datalink814_ge/src/linklayer/linklayer814_types.h
index bc2256c..28a494b 100644
--- a/datalink814_ge/src/linklayer/linklayer814_types.h
+++ b/datalink814_ge/src/linklayer/linklayer814_types.h
@@ -115,18 +115,17 @@ typedef enum
 {
 	L2_EV_NONE = 0,
 	L2_EV_SCAN_PROC_DONE = 1,
-	L2_EV_MGMT_PROC_DONE = 2,
-	L2_EV_NET_SETUP_DONE = 3,
-	L2_EV_TIME_SYNC = 4,
-	L2_EV_RTT_RECV_UPDATE = 5,
-	L2_EV_LINK_SET_REQ = 6,
-	L2_EV_LOST_CXN = 7,
-	L2_EV_LOST_NODE = 8,
-	L2_EV_SET_FRAME_NUM = 9,
-	L2_EV_SET_SLOT_NUM = 10,
-	L2_EV_MAIN_STATE_UPDATE = 11,
-	L2_ROUTINE_FINISH = 12,
-	L2_ROUTINE_UPDATE = 13
+	L2_EV_NET_SETUP_DONE = 2,
+	L2_EV_TIME_SYNC = 3,
+	L2_EV_RTT_RECV_UPDATE = 4,
+	L2_EV_LINK_SET_REQ = 5,
+	L2_EV_LOST_CXN = 6,
+	L2_EV_LOST_NODE = 7,
+	L2_EV_SET_FRAME_NUM = 8,
+	L2_EV_SET_SLOT_NUM = 9,
+	L2_EV_MAIN_STATE_UPDATE = 10,
+	L2_ROUTINE_FINISH = 11,
+	L2_ROUTINE_UPDATE = 12
 } L2_EVENT_TYPE;
 
 /** @name L2 event
diff --git a/datalink814_ge/src/linklayer/net_mgmt.c b/datalink814_ge/src/linklayer/net_mgmt.c
index 427acb8..4e6bb10 100644
--- a/datalink814_ge/src/linklayer/net_mgmt.c
+++ b/datalink814_ge/src/linklayer/net_mgmt.c
@@ -550,14 +550,14 @@ failed:
  *          EALLOC Memory allocation error.
  *
  ******************************************************************************/
-int32_t MgmtNet_Init(L2_MGMT_FSM **mgmtFSM)
+int32_t L2_Mgmt_Init(L2_MGMT_FSM **mgmtFSM)
 {
 	(*mgmtFSM) = (L2_MGMT_FSM *)malloc(sizeof(L2_MGMT_FSM));
 	if (*mgmtFSM == NULL)
 	{
 		return EALLOC;
 	}
-	MgmtNet_Reset(*mgmtFSM);
+	L2_Mgmt_Reset(*mgmtFSM);
 	return SUCCESS;
 }
 
@@ -570,7 +570,7 @@ int32_t MgmtNet_Init(L2_MGMT_FSM **mgmtFSM)
  * @return	NONE
  *
  ******************************************************************************/
-void MgmtNet_Reset(L2_MGMT_FSM *mgmtFSM)
+void L2_Mgmt_Reset(L2_MGMT_FSM *mgmtFSM)
 {
 	mgmtFSM->isBisarProc = false;
 	mgmtFSM->isPendSlotAlloc = false;
@@ -607,7 +607,7 @@ void MgmtNet_Reset(L2_MGMT_FSM *mgmtFSM)
  * @return	NONE
  *
  ******************************************************************************/
-void MgmtNet_Destroy(L2_MGMT_FSM *mgmtFSM)
+void L2_Mgmt_Destroy(L2_MGMT_FSM *mgmtFSM)
 {
 	free(mgmtFSM);
 }
@@ -623,15 +623,15 @@ void MgmtNet_Destroy(L2_MGMT_FSM *mgmtFSM)
  *          Other Packed was dumped(not addressed to me, unrecognized frame type)
  *
  ******************************************************************************/
-int32_t MgmtNet_PktHandler(L2_INST *instPtr)
+int32_t L2_Mgmt_PktHandler(L2_INST *instPtr)
 {
 	ASSERT(instPtr != NULL);
 	int32_t Status;
 	uint32_t filedSize = 0;
 	uint64_t dataChunk = 0;
-	L2_MGMT_MSG_RECORD *mgmtMsgLog = &(instPtr->mgmtNetFSM->mgmtMsgLog);
-	L2_RTT_MSG_RECORD *rttMsgRspLog = &(instPtr->mgmtNetFSM->rttMsgRspLog);
-	L2_RTT_MSG_RECORD *rttMsgReqLog = &(instPtr->mgmtNetFSM->rttMsgReqLog);
+	L2_MGMT_MSG_RECORD *mgmtMsgLog = &(instPtr->mgmtFSM->mgmtMsgLog);
+	L2_RTT_MSG_RECORD *rttMsgRspLog = &(instPtr->mgmtFSM->rttMsgRspLog);
+	L2_RTT_MSG_RECORD *rttMsgReqLog = &(instPtr->mgmtFSM->rttMsgReqLog);
 
 	DBG_INFO("Management net handling packet...\n");
 
@@ -936,7 +936,7 @@ static bool IsTTLValid(NODE_ENTRY *entry)
  * @return  Slot has be used.
  *
  ******************************************************************************/
-int32_t MgmtNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
+int32_t L2_Mgmt_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
 {
 	ASSERT(instPtr != NULL);
 	int32_t Status;
diff --git a/datalink814_ge/src/linklayer/net_scan.c b/datalink814_ge/src/linklayer/net_scan.c
index 513b9e0..da7c699 100644
--- a/datalink814_ge/src/linklayer/net_scan.c
+++ b/datalink814_ge/src/linklayer/net_scan.c
@@ -440,7 +440,7 @@ failed:
 static int32_t Scan_InitScanHandler(L2_INST *instPtr)
 {
 	ASSERT(instPtr != NULL);
-	L2_SCAN_FSM *scanFsmPtr = instPtr->scanNetFSM;
+	L2_SCAN_FSM *scanFsmPtr = instPtr->scanFSM;
 	DBG_INFO("** Netsetup - InitScan Procedure (Attempts: %u)**\n", scanFsmPtr->scanCnt);
 
 	if (scanFsmPtr->scanMode == L2_SCAN_INTRA_MODE)
@@ -494,7 +494,7 @@ static int32_t Scan_InitScanHandler(L2_INST *instPtr)
  ******************************************************************************/
 static int32_t Scan_BmAdvtHandler(L2_INST *instPtr)
 {
-	L2_SCAN_FSM *scanFsmPtr = instPtr->scanNetFSM;
+	L2_SCAN_FSM *scanFsmPtr = instPtr->scanFSM;
 	DBG_INFO("** Netsetup - BmAdvt Procedure (Timeout: %u) **\n", scanFsmPtr->bmTimeout);
 
 	// if received a valid bm frame.
@@ -528,7 +528,7 @@ static int32_t Scan_BmAdvtHandler(L2_INST *instPtr)
 				return FAILURE;
 			}
 			DBG_WARNING("BM timeout, restart net scan from L2_SCAN_INIT_STAGE.\n");
-			ScanNet_Reset(scanFsmPtr);
+			L2_Scan_Reset(scanFsmPtr);
 		}
 		else
 		{
@@ -564,7 +564,7 @@ static int32_t Scan_BmAdvtHandler(L2_INST *instPtr)
  ******************************************************************************/
 static int32_t Scan_2WAcqHandler(L2_INST *instPtr)
 {
-	L2_SCAN_FSM *scanFsmPtr = instPtr->scanNetFSM;
+	L2_SCAN_FSM *scanFsmPtr = instPtr->scanFSM;
 	DBG_INFO("** Netsetup - 2WAcq Procedure (Timeout: %u) **\n", scanFsmPtr->w2acqTimeout);
 	L2_FRAME_TYPE frameType = L2_NONE_FRAME;
 
@@ -586,7 +586,7 @@ static int32_t Scan_2WAcqHandler(L2_INST *instPtr)
 	if (scanFsmPtr->w2acqTimeout >= WAY2_ACQ_SLOT_MAX)
 	{
 		DBG_WARNING("2WAcq timeout, restart net scan from L2_SCAN_INIT_STAGE.\n");
-		ScanNet_Reset(scanFsmPtr);
+		L2_Scan_Reset(scanFsmPtr);
 	}
 	else
 	{
@@ -610,11 +610,11 @@ static int32_t Scan_2WAcqHandler(L2_INST *instPtr)
  * 			error code
  *
  ******************************************************************************/
-int32_t ScanNet_PktHandler(L2_INST *instPtr)
+int32_t L2_Scan_PktHandler(L2_INST *instPtr)
 {
 	ASSERT(instPtr != NULL);
 	uint32_t Status;
-	L2_SCAN_FSM *scanFsmPtr = instPtr->scanNetFSM;
+	L2_SCAN_FSM *scanFsmPtr = instPtr->scanFSM;
 	uint64_t dataChunk;
 
 	DBG_INFO("Scan net handling packet...\n");
@@ -865,7 +865,7 @@ failed:
  *          EMAC_MEMORY_ALLOC_ERROR Memory allocate error.
  *
  ******************************************************************************/
-int32_t ScanNet_Init(L2_SCAN_FSM **scanFSMPtr)
+int32_t L2_Scan_Init(L2_SCAN_FSM **scanFSMPtr)
 {
 	*scanFSMPtr = (L2_SCAN_FSM *)malloc(sizeof(L2_SCAN_FSM));
 	if (*scanFSMPtr == NULL)
@@ -873,7 +873,7 @@ int32_t ScanNet_Init(L2_SCAN_FSM **scanFSMPtr)
 		DBG_ERROR("Failed to allocate memory for scanFsmPtr.\n");
 		return EALLOC;
 	}
-	ScanNet_Reset(*scanFSMPtr);
+	L2_Scan_Reset(*scanFSMPtr);
 	return (SUCCESS);
 }
 
@@ -886,7 +886,7 @@ int32_t ScanNet_Init(L2_SCAN_FSM **scanFSMPtr)
  * @return  NONE
  *
  ******************************************************************************/
-void ScanNet_Reset(L2_SCAN_FSM *scanFSMPtr)
+void L2_Scan_Reset(L2_SCAN_FSM *scanFSMPtr)
 {
 	ASSERT(scanFSMPtr != NULL);
 	scanFSMPtr->isLocked = false;
@@ -924,7 +924,7 @@ void ScanNet_Reset(L2_SCAN_FSM *scanFSMPtr)
  * @return  NONE
  *
  ******************************************************************************/
-void ScanNet_Destroy(L2_SCAN_FSM *scanFSMPtr)
+void L2_Scan_Destroy(L2_SCAN_FSM *scanFSMPtr)
 {
 	free(scanFSMPtr);
 }
@@ -938,12 +938,12 @@ void ScanNet_Destroy(L2_SCAN_FSM *scanFSMPtr)
  * @return  used slot (5ms slot).
  *
  ******************************************************************************/
-int32_t ScanNet_Proc(L2_INST *instPtr)
+int32_t L2_Scan_Proc(L2_INST *instPtr)
 {
-	L2_SCAN_FSM *scanFsmPtr = instPtr->scanNetFSM;
+	L2_SCAN_FSM *scanFsmPtr = instPtr->scanFSM;
 	if (L2_GetNodeType(instPtr) == L2_NODE_HEAD)
 	{
-		DBG_ERROR("Only member node needs to execute ScanNet_Proc. \n");
+		DBG_ERROR("Only member node needs to execute L2_Scan_Proc. \n");
 		return FAILURE;
 	}
 	int32_t Status;
@@ -983,7 +983,7 @@ int32_t ScanNet_Proc(L2_INST *instPtr)
  *
  ******************************************************************************/
 int acqSend = 0;
-int32_t ScanNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
+int32_t L2_Scan_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
 {
 	ASSERT(instPtr != NULL);
 	L2_TOR_TYPE torState;
@@ -1087,7 +1087,7 @@ int32_t ScanNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
 				Status = FAILURE;
 				goto routine_err;
 			}
-			W2ackStateUpdate(instPtr->scanNetFSM, true);
+			W2ackStateUpdate(instPtr->scanFSM, true);
 			acqSend++;
 		}
 		/* Antenna setting (reserved.) */
diff --git a/datalink814_ge/src/linklayer/net_service.c b/datalink814_ge/src/linklayer/net_service.c
index d3af626..77dc00e 100644
--- a/datalink814_ge/src/linklayer/net_service.c
+++ b/datalink814_ge/src/linklayer/net_service.c
@@ -179,25 +179,25 @@ static int PduHeader_Packing(L2_INST *instPtr, BIT_ARRAY *bitarr, L2_PDU_HEADER_
  *          Other       Initialize failed.
  *
  ******************************************************************************/
-int32_t ServiceNet_Init(L2_SVC_FSM **serviceFSM)
+int32_t L2_Service_Init(L2_SVC_FSM **serviceFSM)
 {
 	(*serviceFSM) = (L2_SVC_FSM *)malloc(sizeof(L2_SVC_FSM));
 	if (*serviceFSM == NULL)
 	{
 		return EALLOC;
 	}
-	ServiceNet_Reset(*serviceFSM);
+	L2_Service_Reset(*serviceFSM);
 	return SUCCESS;
 }
 
-void ServiceNet_Reset(L2_SVC_FSM *serviceFSM)
+void L2_Service_Reset(L2_SVC_FSM *serviceFSM)
 {
 	serviceFSM->isBisar = false;
 	serviceFSM->isBisarEven = false;
 	serviceFSM->bisarDst = L2_NONE_ID;
 }
 
-void ServiceNet_Destroy(L2_SVC_FSM *serviceFSM)
+void L2_Service_Destroy(L2_SVC_FSM *serviceFSM)
 {
 	free(serviceFSM);
 }
@@ -211,7 +211,7 @@ void ServiceNet_Destroy(L2_SVC_FSM *serviceFSM)
  *          other       error occurred.
  *
  ******************************************************************************/
-int32_t ServiceNet_PktHandler(L2_INST *instPtr)
+int32_t L2_Service_PktHandler(L2_INST *instPtr)
 {
 	// TODO:
 	DBG_INFO("Scan net handling packet...\n");
@@ -229,7 +229,7 @@ int32_t ServiceNet_PktHandler(L2_INST *instPtr)
  * @return  Slot has been used.
  *
  ******************************************************************************/
-int32_t ServiceNet_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
+int32_t L2_Service_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntry)
 {
 	ASSERT(instPtr != NULL);
 	int32_t Status;
diff --git a/datalink814_ge/unit_test/linklayer_emulate_unit_test.c b/datalink814_ge/unit_test/linklayer_emulate_unit_test.c
index 0c1984b..48b2186 100644
--- a/datalink814_ge/unit_test/linklayer_emulate_unit_test.c
+++ b/datalink814_ge/unit_test/linklayer_emulate_unit_test.c
@@ -346,7 +346,7 @@ void forge_mgmt_frame(uint8_t *buff, L2_NODE_STATE state)
 	default:
 		dataChunk = NET_ERROR_STAGE;
 		break;
-	FrameInsertChunk(&bitarr, TK_MSG_INI_NET_STATE_OFFSET, TK_MSG_INI_NET_STATE_LEN, dataChunk);
+		FrameInsertChunk(&bitarr, TK_MSG_INI_NET_STATE_OFFSET, TK_MSG_INI_NET_STATE_LEN, dataChunk);
 	}
 }
 
@@ -384,46 +384,63 @@ void forge_rtt_frame(uint8_t *buff, uint16_t srcId, uint16_t destId,
 	return;
 }
 
-TEST(linklayer_master_routine) {
+TEST(linklayer_reconfig)
+{
+	int32_t Status;
+	Status = Linklayer_Reconfig(linkInstPtr, &l2Config);
+	ASSERT_EQUAL(SUCCESS, Status);
+	ASSERT_EQUAL(false, linkInstPtr->isEnable);
+	ASSERT_EQUAL(false, linkInstPtr->isEnable);
+	ASSERT_EQUAL(0, linkInstPtr->nodeList->len);
+	ASSERT_EQUAL(0, linkInstPtr->schdEventPool->envCnt);
+}
+
+TEST(linklayer_master_routine)
+{
 	int32_t Status;
 	Linklayer_Start(linkInstPtr);
 	TIME_WORD timeStampA, timeStampB, timeGap;
 	uint32_t timeDiff;
+	l2Config.myType = L2_NODE_HEAD;
+	l2Config.myId = 1;
+	Status = Linklayer_Reconfig(linkInstPtr, &l2Config);
+	ASSERT_EQUAL(SUCCESS, Status);
 	// 30 seconds
-	for(int i = 0; i < 200*30; i++) {
+	for (int i = 0; i < 30 * L2_SLOTS_PER_FRAME; i++)
+	{
 		tmcReg[TIME_INT_REG]++;
 
-		if (L2_GetNextTor(linkInstPtr) == L2_TOR_TX) 
+		if (L2_GetNextTor(linkInstPtr) == L2_TOR_TX)
 		{
 			if (L2_GetNextFrameType(linkInstPtr) == L2_INTRA_TSYNC_FRAME)
 			{
 				TimeCtrl_GetCurrentTime(tmcInstPtr, &timeStampA);
-				// ASSERT_EQUAL(linkInstPtr->rttFSM->rttRecord.Tt1.int_part + linkInstPtr->netStartTime*L2_SLOTS_PER_FRAME, 
+				// ASSERT_EQUAL(linkInstPtr->rttFSM->rttRecord.Tt1.int_part + linkInstPtr->netStartTime*L2_SLOTS_PER_FRAME,
 				// 				timeStampA.int_part);
 				// ASSERT_EQUAL(linkInstPtr->rttFSM->rttRecord.Tt1.frac_part, timeStampA.frac_part);
-				timeStampA.frac_part = rand()%1000; // 10us deviation.
-				
+				timeStampA.frac_part = rand_range(0, 1000); // up to 10us deviation.
 			}
 		}
 		if (L2_GetCurrentTor(linkInstPtr) == L2_TOR_RX)
 		{
-			if(L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME) {
-				forge_w2acq_frame((uint8_t*)phyInstPtr->recvDataAddr, L2_NODE_MEMBER, 2, 1, 1, -1, L2_INIT_STATE);
+			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME)
+			{
+				forge_w2acq_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NODE_MEMBER, 2, 1, 1, -1, L2_INIT_STATE);
 				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
 				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_W2ACQ_FRAME_LENGTH_MAX);
 			}
 
 			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_MGMT_FRAME)
 			{
-				forge_mgmt_frame((uint8_t*)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
+				forge_mgmt_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
 				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
 				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_MGMT_FRAME_LENGTH_MAX);
 			}
 			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_TSYNC_FRAME)
 			{
-				timeDiff = Phy_GetTimeComp(L2_L2frame2L1frame(L2_INTRA_TSYNC_FRAME)) + (rand()-RAND_MAX)%1000;
+				timeDiff = Phy_GetTimeComp(L2_L2frame2L1frame(L2_INTRA_TSYNC_FRAME)) + (rand() - RAND_MAX) % 1000;
 				TimeCtrl_CalculateTimeGap(&timeStampA, &timeStampB, &timeGap);
-				forge_rtt_frame((uint8_t*)phyInstPtr->recvDataAddr, 2, 1, 1, &timeGap , rand()%200000);
+				forge_rtt_frame((uint8_t *)phyInstPtr->recvDataAddr, 2, 1, 1, &timeGap, rand() % 200000);
 				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
 				PhyWrite(phyInstPtr, FSTIME_H, L2_GetLastFrameNum(linkInstPtr));
 				PhyWrite(phyInstPtr, FSTIME_L, timeDiff);
@@ -432,12 +449,13 @@ TEST(linklayer_master_routine) {
 
 			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_SVC_FRAME)
 			{
-				forge_mgmt_frame((uint8_t*)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
+				forge_mgmt_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
 				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
 				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_MGMT_FRAME_LENGTH_MAX);
 			}
 		}
-		else {
+		else
+		{
 			PhyWrite(phyInstPtr, TXRX_STATE, 0x02020202);
 		}
 
@@ -445,15 +463,19 @@ TEST(linklayer_master_routine) {
 
 		Status = Linklayer_Proc(linkInstPtr);
 
-		if((tmcReg[TIME_INT_REG]+1)/200 < linkInstPtr->netStartTime) {
+		if ((tmcReg[TIME_INT_REG] + 1) / 200 < linkInstPtr->netStartTime)
+		{
 			ASSERT_EQUAL(EIGNORE, Status);
 		}
-		else{
+		else
+		{
 			ASSERT_EQUAL(SUCCESS, Status);
 		}
 
-		if(L2_isDataAvail(linkInstPtr)) {
-			if(L2_GetLastFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME) {
+		if (L2_isDataAvail(linkInstPtr))
+		{
+			if (L2_GetLastFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME)
+			{
 				ASSERT_EQUAL(1, L2_GetNodeListLen(linkInstPtr->nodeList));
 				ASSERT_TRUE(L2_isNodeInList(linkInstPtr->nodeList, 2));
 			}
@@ -461,23 +483,126 @@ TEST(linklayer_master_routine) {
 	}
 }
 
-
-TEST(linklayer_reconfig) {
+TEST(linklayer_slave_netsetup)
+{
 	int32_t Status;
+	Linklayer_Start(linkInstPtr);
+	TIME_WORD timeStampA, timeStampB, timeGap;
+	TIME_WORD bmTime;
+	uint32_t netStart, timeDiff;
+	// 30 seconds
+	l2Config.myType = L2_NODE_MEMBER;
+	l2Config.myId = 2;
 	Status = Linklayer_Reconfig(linkInstPtr, &l2Config);
-	ASSERT_EQUAL(SUCCESS, Status);
+	tmcReg[TIME_FRAC_REG] = rand_range(0, TIME_FRAC_MAX);
+	tmcReg[TIME_INT_REG] = rand_range(0, 60 * L2_SLOTS_PER_FRAME); // 0~60s
+	bmTime.frac_part = rand_range(0, TIME_FRAC_MAX);
+	bmTime.int_part = rand_range(tmcReg[TIME_INT_REG], tmcReg[TIME_INT_REG] + 5 * L2_SLOTS_PER_FRAME);
+
+	// 74 is the index of bm frame in routine table.
+	netStart = bmTime.int_part % L2_SLOTS_PER_FRAME + rand_range(-12, 12);
+
+	for (int i = 0; i < 12 * L2_SLOTS_PER_FRAME * TIME_FRAC_MAX; i++)
+	{
+		tmcReg[TIME_FRAC_REG]++;
+		if (tmcReg[TIME_FRAC_REG] >= TIME_FRAC_MAX)
+		{
+			tmcReg[TIME_FRAC_REG] = 0;
+			tmcReg[TIME_INT_REG]++;
+		}
+
+		if (tmcReg[TIME_FRAC_REG] == bmTime.frac_part && tmcReg[TIME_INT_REG] == bmTime.int_part)
+		{
+			forge_bm_frame((uint8_t *)phyInstPtr->recvDataAddr, 1, 1, 1, netStart);
+			PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
+			PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_BM_FRAME_LENGTH_MAX);
+		}
+
+		if (L2_GetNextTor(linkInstPtr) == L2_TOR_TX)
+		{
+			if (L2_GetNextFrameType(linkInstPtr) == L2_INTRA_TSYNC_FRAME)
+			{
+				TimeCtrl_GetCurrentTime(tmcInstPtr, &timeStampA);
+				timeStampA.frac_part = rand_range(0, 1000); // up to 10us deviation.
+			}
+		}
+		if (L2_GetCurrentTor(linkInstPtr) == L2_TOR_RX)
+		{
+			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME)
+			{
+				forge_w2acq_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NODE_MEMBER, 2, 1, 1, -1, L2_INIT_STATE);
+				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
+				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_W2ACQ_FRAME_LENGTH_MAX);
+			}
+
+			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_MGMT_FRAME)
+			{
+				forge_mgmt_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
+				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
+				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_MGMT_FRAME_LENGTH_MAX);
+			}
+			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_TSYNC_FRAME)
+			{
+				timeDiff = Phy_GetTimeComp(L2_L2frame2L1frame(L2_INTRA_TSYNC_FRAME)) + (rand() - RAND_MAX) % 1000;
+				TimeCtrl_CalculateTimeGap(&timeStampA, &timeStampB, &timeGap);
+				forge_rtt_frame((uint8_t *)phyInstPtr->recvDataAddr, 2, 1, 1, &timeGap, rand() % 200000);
+				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
+				PhyWrite(phyInstPtr, FSTIME_H, L2_GetLastFrameNum(linkInstPtr));
+				PhyWrite(phyInstPtr, FSTIME_L, timeDiff);
+				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_MGMT_FRAME_LENGTH_MAX);
+			}
+
+			if (L2_GetCurrentFrameType(linkInstPtr) == L2_INTRA_SVC_FRAME)
+			{
+				forge_mgmt_frame((uint8_t *)phyInstPtr->recvDataAddr, L2_NORMAL_STATE);
+				PhyWrite(phyInstPtr, TXRX_STATE, 0x01010101);
+				PhyWrite(phyInstPtr, RECVDATA_STATE, INTRA_MGMT_FRAME_LENGTH_MAX);
+			}
+		}
+		else
+		{
+			PhyWrite(phyInstPtr, TXRX_STATE, 0x02020202);
+		}
+		if (PhyRead(phyInstPtr, TXRX_STATE) != 0x02020202)
+		{
+			Phy_UpdateState(phyInstPtr);
+		}
+
+		if (tmcReg[TIME_FRAC_REG] == 200000)
+		{ // 2ms
+			Status = Linklayer_Proc(linkInstPtr);
+			if ((tmcReg[TIME_INT_REG] + 1) / 200 < linkInstPtr->netStartTime)
+			{
+				ASSERT_EQUAL(EIGNORE, Status);
+			}
+			else
+			{
+				ASSERT_EQUAL(SUCCESS, Status);
+			}
+
+			if (L2_isDataAvail(linkInstPtr))
+			{
+				if (L2_GetLastFrameType(linkInstPtr) == L2_INTRA_W2_ACQ_FRAME)
+				{
+					ASSERT_EQUAL(1, L2_GetNodeListLen(linkInstPtr->nodeList));
+					ASSERT_TRUE(L2_isNodeInList(linkInstPtr->nodeList, 2));
+				}
+			}
+		}
+	}
 }
 
-TEST_SUITE(linklayer_unit_test) {
+TEST_SUITE(linklayer_unit_test)
+{
 	TEST_SUITE_CONFIGURE(linklayer_setup, linklayer_teardown);
-	RUN_TEST(linklayer_master_routine);
 	RUN_TEST(linklayer_reconfig);
+	RUN_TEST(linklayer_slave_netsetup);
+	RUN_TEST(linklayer_master_routine);
 }
 
-int main(void) {
+int main(void)
+{
 	RUN_TEST_SUITE(linklayer_unit_test);
 	TEST_REPORT();
 	return TEST_EXIT_CODE;
 }
-
-